{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "manufacturing process", "process parameter"], "input": "Comparison between laser welding and laser-based additive manufacturing parameters is established ."}
{"concept or principle": [], "manufacturing process": ["laser welding", "laser-based additive manufacturing"], "process parameter": []}